Finding the Fourth Proportional to 212,290.97, 292,961.53 and 116,795.62
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Solution
The fourth proportional to 212,290.97, 292,961.53 and 116,795.62 is: 161,177.94
Step by Step Solution
- Step 1: Write the proportion equation
212,290.97 : 292,961.53 = 116,795.62 : x - Step 2: Convert to fraction form
212,290.97/292,961.53 = 116,795.62/x - Step 3: Cross multiply
212,290.97x = 292,961.53 × 116,795.62 - Step 4: Simplify right side
212,290.97x = 34,216,621,483.71 - Step 5: Solve for x
x = 34,216,621,483.71/212,290.97 - Step 6: Final answer
x = 161,177.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.